arm: am33xx: security: Fix size calculation on header
Fix the size calculation in the verify boot. The header size
should be subtracted from the image size, not be assigned to
the image size.
Fixes: 0830d72bb9f8 ("arm: am33xx: security: adds auth support for encrypted images")
Signed-off-by: Madan Srinivas <madans@ti.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/mach-omap2/sec-common.c b/arch/arm/mach-omap2/sec-common.c
index 2630e7d..674517e 100644
--- a/arch/arm/mach-omap2/sec-common.c
+++ b/arch/arm/mach-omap2/sec-common.c
@@ -130,7 +130,7 @@
*size = sig_addr - cert_addr; /* Subtract out the signature size */
/* Subtract header if present */
if (strncmp((char *)sig_addr, "CERT_ISW_", 9) == 0)
- *size = ((u32 *)*image)[HEADER_SIZE_OFFSET];
+ *size -= ((u32 *)*image)[HEADER_SIZE_OFFSET];
cert_size = *size;
/* Check if image load address is 32-bit aligned */